package cn.saddyfire.pattern.bridge;

/**
 * @author Dee
 * @date 2024/2/4
 * <p>Description:抽象操作系统(抽象化角色)
 */
public abstract class OperatingSystem {
    //声明videoFile变量
    protected VideoFile videoFile;

    public OperatingSystem(VideoFile videoFile) {
        this.videoFile = videoFile;
    }
    public abstract void play(String fileName);
}
